Naganarasimha G R commented on YARN-2859:

Hi [~sjlee0],
Ok to reword it , suppose we enable 
{{yarn.resourcemanager.system-metrics-publisher.enabled}} in 2.7.2 and run 
TestDistributedShell then we face the same problem(SMP will fail to connect to 
timeline server) with the miniyarn cluster. Hence this fix is not complete fix 
but none of the test cases fail. So if *MINI YARN cluster is required to be 
used with system-metrics-publisher enabled* then its required to fix and its 
faster to fix in my way.  If MINIYARN cluster doesn't require 
*system-metrics-publisher enabled* then for ATS v2 we will have to change it as 
part of YARN-4350.

> ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster
> ----------------------------------------------------------------------
>                 Key: YARN-2859
>                 URL: https://issues.apache.org/jira/browse/YARN-2859
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>            Reporter: Hitesh Shah
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Critical
>             Fix For: 2.8.0, 2.7.2, 2.6.3
>         Attachments: YARN-2859-addendum.txt, YARN-2859.txt
> In mini cluster, a random port should be used. 
> Also, the config is not updated to the host that the process got bound to.
> {code}
> 2014-11-13 13:07:01,905 INFO  [main] server.MiniYARNCluster 
> (MiniYARNCluster.java:serviceStart(722)) - MiniYARN ApplicationHistoryServer 
> address: localhost:10200
> 2014-11-13 13:07:01,905 INFO  [main] server.MiniYARNCluster 
> (MiniYARNCluster.java:serviceStart(724)) - MiniYARN ApplicationHistoryServer 
> web address:
> {code}

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